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Nova Scotia Atlee Perinatal Database: Report of Indicators: 2010-2019

Section 3 Determinants of Maternal, Fetal, and Infant Health

3.1 Maternal age by year, Nova Scotia, 2010-2019

Figure 3.1: Maternal age by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 8978 9015 8867 8579 8787 8300 8432 8382 8058 8185
age < 20 78.6% 77.8% 78.4% 77.7% 78.2% 78.3% 79.0% 77.3% 78.1% 77.6%
β‰₯ 35 15.3% 16.4% 16.0% 17.0% 17.5% 17.7% 17.5% 19.2% 19.2% 19.5%

3.2 Maternal age (primiparous women) by year, Nova Scotia, 2010-2019

Figure 3.2: Maternal age (primiparous women) by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 4225 4176 4189 3952 3954 3696 3749 3699 3438 3612
age < 20 79.2% 79.2% 80.2% 80.0% 80.8% 80.3% 82.3% 81.4% 83.2% 81.3%
β‰₯ 35 9.3% 9.9% 9.7% 10.2% 11.1% 11.9% 10.6% 12.0% 11.5% 12.9%

3.3 Maternal parity by year, Nova Scotia, 2010-2019

Figure 3.3: Maternal parity by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 8977 9015 8866 8576 8787 8299 8430 8381 8056 8184
0 47.1% 46.3% 47.2% 46.1% 45.0% 44.5% 44.5% 44.1% 42.7% 44.1%
1 33.8% 33.8% 34.5% 35.2% 35.7% 35.9% 34.9% 34.0% 35.1% 34.9%
β‰₯ 2 19.1% 19.9% 18.2% 18.7% 19.3% 19.6% 20.6% 21.9% 22.2% 21.0%
a With known parity

3.4 Maternal partner status by year, Nova Scotia, 2010-2019

Figure 3.4: Maternal partner status by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 8442 8563 8327 7968 8057 7393 7642 7689 7379 7549
Partnered 71.2% 72.2% 73.1% 72.7% 73.1% 76.7% 76.0% 73.3% 76.4% 77.8%
a With known parity
b Note: Partnered denotes women who are married or in a common-law relationship.

3.5 Smoking during pregnancy by year, Nova Scotia, 2010-2019

Figure 3.5: Smoking during pregnancy by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 8966 9009 8861 8574 8776 8294 8428 8376 8052 8166
Smoking 21.5% 21.0% 18.9% 17.7% 15.9% 15.9% 15.7% 15.1% 14.2% 13.8%
a With known smoking status.

3.6 Reduction in amount smoked among women who smoked at their first prenatal visit by year, Nova Scotia, 2010-2019

Figure 3.6: Reduction in amount smoked among women who smoked at their first prenatal visit by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries to smokers 1218 1194 1056 934 872 818 840 793 762 723
Quit 18.1% 20.4% 20.7% 20.9% 23.1% 23.5% 21.7% 24.6% 28.6% 28.6%
Reduced 21.8% 23.7% 23.9% 25.2% 22.1% 23.1% 21.2% 23.0% 23.1% 27.2%
No change or increased 60.0% 55.9% 55.4% 54.0% 54.8% 53.4% 57.1% 52.5% 48.3% 44.1%
a Among women who were known to be smokers at the time of their first prenatal visit, and for whom amount smoked was known at both the first prenatal visit and at delivery.o

3.7 Missing information about smoking in pregnancy by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Pre-pregnancy
Missing amount 8.3% 7.2% 7.1% 6.6% 6.6% 5.5% 5.1% 5.1% 4.0% 5.0%
No information 4.4% 3.9% 4.2% 4.7% 4.6% 3.7% 4.3% 3.6% 2.3% 2.7%
First visit
Missing amount 4.6% 4.2% 3.6% 3.6% 3.4% 3.0% 2.7% 3.0% 2.6% 2.4%
No information 4.7% 4.0% 4.4% 4.6% 4.5% 3.7% 4.2% 3.6% 2.5% 3.0%
Delivery
Missing amount 2.2% 2.5% 2.4% 2.6% 2.2% 2.3% 2.4% 2.1% 1.6% 1.4%
No information 1.5% 1.1% 1.7% 1.9% 1.3% 0.8% 0.9% 1.4% 1.0% 1.1%

3.8 Cannabis use recorded during pregnancy by year, Nova Scotia, 2010-2019

Figure 3.7: Reduction in amount smoked among women who smoked at their first prenatal visit by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 8978 9015 8867 8579 8787 8300 8432 8382 8058 8185
Reported cannabis 1.7% 1.9% 2.3% 2.2% 2.7% 2.8% 3.2% 4.9% 4.8% 6.7%
a Note: If recorded on the Nova Scotia Prenatal Record.

3.9 Maternal opioid agonist maintenance therapy during pregnancy by year, Nova Scotia, 2010-2019

Figure 3.8: Maternal opioid agonist maintenance therapy during pregnancy by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 8978 9015 8867 8579 8787 8300 8432 8382 8058 8185
Opioid agonist 0.4% 0.4% 0.6% 0.6% 0.7% 0.8% 0.8% 1.0% 0.8% 1.1%
a Note: Methadone use as recorded on the Nova Scotia Prenatal Record.

3.10 Pre-pregnancy body mass index by year, Nova Scotia, 2010-2019

Figure 3.9: Pre-pregnancy body mass index by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 7101 7251 7293 7130 7266 6933 7111 7174 6975 6989
Underweight 4.6% 4.7% 4.5% 4.2% 4.6% 4.5% 4.3% 4.3% 4.3% 4.7%
Normal weight 48.0% 49.2% 48.7% 48.1% 47.9% 46.8% 45.7% 46.3% 45.3% 43.3%
Overweight 25.1% 23.7% 23.2% 24.6% 23.8% 24.0% 25.1% 23.9% 24.9% 26.2%
Obese 22.3% 22.4% 23.6% 23.1% 23.8% 24.7% 25.0% 25.5% 25.5% 25.8%
a With known pre-pregnancy weight and height.
b Note: Body mass index (BMI) is calculated as weight in kilograms divided by the square of height in metres: Underweight, \(< 18.5\) \(kg/m^2\) ; Normal weight, \(18.5\) to \(24.9\) \(kg/m^2\) ; Overweight, \(25.0\) to \(29.9\) \(kg/m^2\) ; Obese, \(\ge30.0\) \(kg/m^2\).

3.11 Pre-pregnancy obesity class by year, Nova Scotia, 2010-2019

Figure 3.10: Pre-pregnancy obesity class by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 7101 7251 7293 7130 7266 6933 7111 7174 6975 6989
Obese I (30 ≀ BMI < 35) 12.4% 12.5% 12.6% 12.7% 12.4% 13.5% 13.1% 13.8% 13.3% 13.8%
Obese II (35 ≀ BMI < 40) 5.9% 5.8% 6.8% 6.0% 7.1% 6.3% 7.1% 7.1% 6.8% 6.7%
Obese III (BMI β‰₯ 40) 4.0% 4.1% 4.2% 4.3% 4.3% 4.9% 4.7% 4.6% 5.4% 5.3%
a With known pre-pregnancy weight and height.

3.12 Gestational weight gain according to recommendations by year, Nova Scotia, 2010-2019

Figure 3.11: Gestational weight gain according to recommendations by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 6138 6238 6203 6115 6133 5769 5839 5714 5654 5686
Inadequate 15.5% 15.4% 16.6% 17.8% 17.7% 19.7% 20.6% 20.7% 21.9% 21.8%
Adequate 27.4% 26.4% 26.8% 26.3% 27.0% 27.4% 26.4% 27.7% 26.5% 25.3%
Excessive 57.2% 58.2% 56.6% 56.0% 55.3% 53.0% 53.0% 51.6% 51.7% 52.8%
a Singleton deliveries with known pre-pregnancy and delivery weights and height.
b Note: Gestational weight gain according to recommendations made by Health Canada. See section @ref{section-313} for the amounts that are recommended according to pre-pregnancy BMI category

3.13 Gestational weight gain according to recommendations by year, Nova Scotia, 2010-2019

Figure 3.12: Gestational weight gain according to recommendations by year, Nova Scotia, 2010-2019

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
# deliveries 6138 6238 6203 6115 6133 5769 5839 5714 5654 5686
Inadequate 15.5% 15.4% 16.6% 17.8% 17.7% 19.7% 20.6% 20.7% 21.9% 21.8%
Adequate 27.4% 26.4% 26.8% 26.3% 27.0% 27.4% 26.4% 27.7% 26.5% 25.3%
Excessive 57.2% 58.2% 56.6% 56.0% 55.3% 53.0% 53.0% 51.6% 51.7% 52.8%
a Note: Number of singleton deliveries in this body mass index category with known pre-pregnancy and delivery weights and height. Gestational weight gain according to recommendations made by Health Canada.